Rethimno
Greece
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Rethimno, Greece

Dusk in the Venetian Rethimno harbor in Greece, with calm waters and heavily cloudy skies
Dusk in the Venetian Rethimno harbor in Greece, with calm waters and heavily cloudy skies
The last month of the summer, August, is another warm month in Rethimno, Greece, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 21°C (69.8°F).

Temperature

In August, the average high-temperature is essentially the same as in July - a warm 29°C (84.2°F). In Rethimno, the average low-temperature is 21°C (69.8°F).

Rainfall

July and August are months with the least rain in Rethimno when 1mm (0") of rain is typically aggregated.

Sea temperature

The month with the warmest seawater in Rethimno is August, with an average sea temperature of 25.9°C (78.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In August, the average length of the day in Rethimno is 13.5h.

Sunshine

June through August, with an average of 12h of sunshine, are months with the most sunshine in Rethimno.

UV index

In Rethimno, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from unsafe exposure to the UV radiation for average individuals.
In August, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in August in Rethimno?

The average high-temperature, in August, is 29°C (84.2°F), while the average low-temperature is 21°C (69.8°F).

How much does it rain in Rethimno in August?

In Rethimno, Greece, in August, 1mm (0") of precipitation is typically accumulated.

What is the driest month in Rethimno?

Months with the least rainfall in Rethimno, Greece, are July and August with 1mm (0") of accumulated rain.

What month is the sea warmest in Rethimno?

August is the month with the warmest seawater in Rethimno, with an average sea temperature of 25.9°C (78.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the sea water temperature in August in Rethimno?

In August, the average sea temperature is 25.9°C (78.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Rethimno have in August?

The average length of the day in August in Rethimno, Greece, is 13.5h.

What is the month with the most sunshine in Rethimno?

June through August, with an average of 12h of sunshine, are months with the most sunshine.

How many hours of sunshine does Rethimno have in August?

In August, the average sunshine in Rethimno, Greece, is 12h.

How high is the UV index in August in Rethimno?

The average daily maximum UV index in August in Rethimno is 9. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in August - Rethimno, Greece
  • Average high temperature in August: 29°C

The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in August: 21°C

Months with the highest average low temperature are July and August (21°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in August - Rethimno, Greece
  • Average rainfall in August: 1mm

The wettest month (with the highest rainfall) is January (142mm).
Driest months (with the lowest rainfall) are July and August (1mm).

Average rainfall days in August - Rethimno, Greece
  • Average rainfall days in August: 0 days

The month with the highest number of rainy days is December (13 days).
Months with the lowest number of rainy days are July and August (0 days).

Average sea temperature in August - Rethimno, Greece
  • Average sea temperature in August: 25.9°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (16.1°C).

Average daylight in August / Average sunshine in August - Rethimno, Greece
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in August: 12h

Months with most sunshine are June, July and August (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in August - Rethimno, Greece
  • Average UV index in August: 9

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).